diff --git a/providers/github-copilot/models/claude-haiku-4.5.toml b/providers/github-copilot/models/claude-haiku-4.5.toml
index f2602ebf..f336dcf0 100644
--- a/providers/github-copilot/models/claude-haiku-4.5.toml
+++ b/providers/github-copilot/models/claude-haiku-4.5.toml
@@ -14,7 +14,7 @@ input = 0
 output = 0
 
 [limit]
-context = 128_000
+context = 144_000
 output = 16_000
 
 [modalities]
diff --git a/providers/github-copilot/models/claude-opus-4.5.toml b/providers/github-copilot/models/claude-opus-4.5.toml
index b16aba94..16be4528 100644
--- a/providers/github-copilot/models/claude-opus-4.5.toml
+++ b/providers/github-copilot/models/claude-opus-4.5.toml
@@ -14,7 +14,7 @@ input = 0
 output = 0
 
 [limit]
-context = 128_000
+context = 144_000
 output = 16_000
 
 [modalities]
diff --git a/providers/github-copilot/models/claude-sonnet-4.5.toml b/providers/github-copilot/models/claude-sonnet-4.5.toml
index cdb9c77f..9a924546 100644
--- a/providers/github-copilot/models/claude-sonnet-4.5.toml
+++ b/providers/github-copilot/models/claude-sonnet-4.5.toml
@@ -14,7 +14,7 @@ input = 0
 output = 0
 
 [limit]
-context = 128_000
+context = 144_000
 output = 16_000
 
 [modalities]
diff --git a/providers/github-copilot/models/gpt-5.1-codex-max.toml b/providers/github-copilot/models/gpt-5.1-codex-max.toml
index fc1321d3..b54ee369 100644
--- a/providers/github-copilot/models/gpt-5.1-codex-max.toml
+++ b/providers/github-copilot/models/gpt-5.1-codex-max.toml
@@ -1,5 +1,5 @@
 name = "GPT-5.1-Codex-max"
-family = "gpt-5-codex-max"
+family = "gpt-5-codex-max"
 release_date = "2025-12-04"
 last_updated = "2025-12-04"
 attachment = true
@@ -14,7 +14,7 @@ input = 0
 output = 0
 
 [limit]
-context = 128_000
+context = 400_000
 output = 128_000
 
 [modalities]
diff --git a/providers/github-copilot/models/gpt-5.1-codex.toml b/providers/github-copilot/models/gpt-5.1-codex.toml
index 571d606e..2ca527fe 100644
--- a/providers/github-copilot/models/gpt-5.1-codex.toml
+++ b/providers/github-copilot/models/gpt-5.1-codex.toml
@@ -1,5 +1,5 @@
 name = "GPT-5.1-Codex"
-family = "gpt-5-codex"
+family = "gpt-5-codex"
 release_date = "2025-11-13"
 last_updated = "2025-11-13"
 attachment = false
@@ -14,7 +14,7 @@ input = 0
 output = 0
 
 [limit]
-context = 128_000
+context = 400_000
 output = 128_000
 
 [modalities]
diff --git a/providers/github-copilot/models/gpt-5.1.toml b/providers/github-copilot/models/gpt-5.1.toml
index defb84d6..8db5cb6d 100644
--- a/providers/github-copilot/models/gpt-5.1.toml
+++ b/providers/github-copilot/models/gpt-5.1.toml
@@ -1,5 +1,5 @@
 name = "GPT-5.1"
-family = "gpt-5"
+family = "gpt-5"
 release_date = "2025-11-13"
 last_updated = "2025-11-13"
 attachment = true
@@ -14,8 +14,8 @@ input = 0
 output = 0
 
 [limit]
-context = 128_000
-output = 128_000
+context = 264_000
+output = 64_000
 
 [modalities]
 input = ["text", "image"]
diff --git a/providers/github-copilot/models/gpt-5.2.toml b/providers/github-copilot/models/gpt-5.2.toml
index a509099e..11b111ca 100644
--- a/providers/github-copilot/models/gpt-5.2.toml
+++ b/providers/github-copilot/models/gpt-5.2.toml
@@ -14,7 +14,7 @@ input = 0
 output = 0
 
 [limit]
-context = 128_000
+context = 264_000
 output = 64_000
 
 [modalities]